Product details:

DeWitt TackSak straw is an all natural seedling straw that is comprised of finely processed straw, cut twice, and bonded using tree sap to hold it together. There are no artificial or synthetic compounds in the making of this product. Tack straw is great for protecting seedlings, conserving water, preventing erosion, and acting as animal bedding. It is totally safe for pets and children and biodegrades naturally. Tack straw is great for building soil blocks, sowing grass, or mushroom projects!